From f2a90174bb36b9ad528e863ab34c02ebce002b02 Mon Sep 17 00:00:00 2001
From: Valentin <valentin@devling.xyz>
Date: Fri, 15 Jun 2018 18:57:24 +0200
Subject: Update for latest nightly 2018-06-09 (#70)

* Update for latest nightly 2018-06-09
* We now have a proper horizon os and sys modules in libstd
---
 ctr-std/src/sys/windows/stack_overflow.rs | 52 +++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 ctr-std/src/sys/windows/stack_overflow.rs

(limited to 'ctr-std/src/sys/windows/stack_overflow.rs')

diff --git a/ctr-std/src/sys/windows/stack_overflow.rs b/ctr-std/src/sys/windows/stack_overflow.rs
new file mode 100644
index 0000000..4a406d7
--- /dev/null
+++ b/ctr-std/src/sys/windows/stack_overflow.rs
@@ -0,0 +1,52 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![cfg_attr(test, allow(dead_code))]
+
+use sys_common::util::report_overflow;
+use sys::c;
+
+pub struct Handler;
+
+impl Handler {
+    pub unsafe fn new() -> Handler {
+        // This API isn't available on XP, so don't panic in that case and just
+        // pray it works out ok.
+        if c::SetThreadStackGuarantee(&mut 0x5000) == 0 {
+            if c::GetLastError() as u32 != c::ERROR_CALL_NOT_IMPLEMENTED as u32 {
+                panic!("failed to reserve stack space for exception handling");
+            }
+        }
+        Handler
+    }
+}
+
+extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS)
+                                    -> c::LONG {
+    unsafe {
+        let rec = &(*(*ExceptionInfo).ExceptionRecord);
+        let code = rec.ExceptionCode;
+
+        if code == c::EXCEPTION_STACK_OVERFLOW {
+            report_overflow();
+        }
+        c::EXCEPTION_CONTINUE_SEARCH
+    }
+}
+
+pub unsafe fn init() {
+    if c::AddVectoredExceptionHandler(0, vectored_handler).is_null() {
+        panic!("failed to install exception handler");
+    }
+    // Set the thread stack guarantee for the main thread.
+    let _h = Handler::new();
+}
+
+pub unsafe fn cleanup() {}
-- 
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